英和和英

語源

From papyro- (“papyrus, paper”) +‎ xylo- (“wood, wood pulp”) +‎ -in (“forming substances made from living things”), after the model of earlier pyroxylin.

名詞

papyroxylin (uncountable)

1. (obsolete) Synonym of gun-paper.
   • 1894, Selimo R. Bottone, Electrical Instrument Making for Amateurs, 6th ed., p. 26:

     Gun-paper, or papyroxyline, is paper which has been immersed for a few seconds in a mixture of nitric and sulphuric acids, and then washed in an abundance of water.

参照

• “papyro-, comb. form.”, in OED Online ⁠, Oxford, Oxfordshire: Oxford University Press, 2022.